#398151
Closest named color: Sea Green (#2E8B57). oklch(54.4% 0.104 152.3), rgb(57, 129, 81).
Aa
White text reads best on this color (4.73:1).
About this color
#398151 is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.104 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.029 away. White text reads best on it, at 4.73:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.43:1 |
| White text | 4.73:1 |
Values
| HEX | #398151 |
| RGB | rgb(57, 129, 81) |
| HSL | hsl(140, 39%, 36%) |
| OKLCH | oklch(54.4% 0.104 152.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #398151 | 4.73:1 | AA | Lc -78.1 | Fine for body text |
| Black text on #398151 | 4.43:1 | AA large text | Lc 31.4 | Non-text elements, placeholder text |
| #398151 text on white | 4.73:1 | AA | Lc 72.7 | Content text, not long reading |
| #398151 text on black | 4.43:1 | AA large text | Lc -29.0 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE5
oklch(93.6% 0.015 151.8)
-
Step 200
200
#CDDED1
oklch(88.4% 0.025 152.8)
-
Step 300
300
#ABCAB2
oklch(80.9% 0.047 152)
-
Step 400
400
#7DAF8A
oklch(70.8% 0.076 152.2)
-
Step 500
500
#5A9A6D
oklch(63.1% 0.095 152.4)
-
Step 600
600 (this color)
#398151
oklch(54.4% 0.104 152.3)
-
Step 700
700
#2E7045
oklch(49% 0.097 152.6)
-
Step 800
800
#285B39
oklch(42.6% 0.079 152.5)
-
Step 900
900
#254B31
oklch(37.7% 0.063 152.6)
-
Step 950
950
#172C1D
oklch(27% 0.039 152.2)
#398151 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #81774E | 0.090 |
| Deuteranopia (no green cones) | #777054 | 0.089 |
| Tritanopia (no blue cones) | #267F75 | 0.056 |
| Achromatopsia (no color) | #737373 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #398151
#398151
oklch(54.4% 0.104 152.3)
- #93588A
#93588A
oklch(54.4% 0.103 332.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #398151, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.029
- Jungle Green #048243 ΔE 0.035
- Dark Sage #598556 ΔE 0.037
- Viridian #1E9167 ΔE 0.048
- Military Green #667C3E ΔE 0.048
- Fern Green #548D44 ΔE 0.052
- Light Forest Green #4F9153 ΔE 0.055
- Swamp #698339 ΔE 0.056
Use #398151 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.